Speaker
USD278901S · kind S · design
20Cited by
1References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 20, 1983 |
| Grant date | May 21, 1985 |
| Priority date | — |
| Expiry date | May 21, 1999 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.